Logic 7 & earlier Problem Exporting Audio To QT in Logic 7.2

I used to be able to export a sound track made in Logic 7.2 to a Quicktime Movie using Options>Movies>Export Audio to Movie". Logic seems to go through the motions (bouncing, converting audio, etc.) but the new movie has no sound...has something changed? Couldn't find any threads on the subject , new member, sorry if it's there somewhere.....TW